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Commtest Instruments vb1000 User Manual

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Table of Contents

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Commtest Instruments vb1000 Specifications

General IconGeneral
BrandCommtest Instruments
Modelvb1000
CategoryMeasuring Instruments
LanguageEnglish

Summary

Section 1: Introduction

Precautions

Important safety and operational precautions to prevent damage or injury.

Balancing

Procedure for analyzing and correcting rotating mass imbalance problems.

Section 2: Basic Operation

Powering Up

Instructions for turning the instrument on and off.

Main Menu

Accessing the instrument's primary operational tasks and menus.

Menu Navigation

Explanation of how to navigate through the instrument's menus and screens.

Supported Sensor Types

Overview of compatible sensors and their measurement capabilities.

Mounting Sensors

Guidelines for optimal sensor placement to ensure measurement accuracy.

Accelerometer Setup

Detailed instructions for connecting and mounting accelerometers.

Tachometer Setup

Instructions for setting up the laser tachometer for speed and angle measurements.

Section 3: Onsite Analysis - Measurement Menu

Walk-through: Taking Measurements in Measure Mode

Step-by-step guide to performing onsite vibration analysis using Measure Mode.

Using Quick Setup Menus

Automating measurement setup using pre-defined quick setup menus.

Spectrum Quick Setup

Configuring parameters for spectral analysis measurements.

Waveform Quick Setup

Configuring parameters for time-domain waveform measurements.

Demodulation Quick Setup

Setting up parameters for demodulation measurements.

Using Automated Menus

Utilizing advanced automated setups for complex measurements.

Time Synchronous Averaging

Technique for improving spectral analysis by averaging synchronous data.

Bump Test

Method for identifying resonance frequencies through structural impact analysis.

Coast-down/Run-up Recordings

Capturing recordings during machine speed changes to study resonance.

Cross Channel Phase

Measuring phase differences between two sensors without a tachometer.

Fault Types and their Phase Relationships

Interpreting vibration phase data to diagnose common machine faults.

Long Time Waveform

Recording continuous data over extended periods for transient analysis.

Section 4: Manual Setup Measurement Parameters

Setting Measurement Parameters

Manually configuring all parameters for taking measurements.

Setting Spectrum Parameters

Configuring parameters to obtain informative vibration spectra.

Setting the Trigger Type

Configuring how measurements are initiated (Internal or Tach trigger).

Specifying Sensor Settings

Configuring sensor type, sensitivity, units, and drive current.

Setting Waveform Parameters

Configuring parameters to ensure informative vibration waveform charts.

Section 5: Recording Data

Walk-through: Taking Recordings

Step-by-step guide for capturing vibration recordings on the instrument.

Transferring Recordings from the Instrument

Methods for transferring recorded data from the instrument to a PC.

Section 6: Using Routes

Walk-through: Taking Recordings Using a Route

Step-by-step process for performing recordings following a pre-defined route.

Section 7: Advanced Operation

Demodulation

Technique for analyzing repetitive patterns in time waveforms to detect faults.

Section 9: Balancing Rotors

The Balancing Process

Step-by-step procedure for balancing rigid rotors in one or two planes.

Set Balancing Parameters

Configuring parameters like units, planes, and weight orientation for balancing.

Trial Readings (Single/Dual Plane)

Performing initial measurements to determine imbalance levels before balancing.

Trial Weight Reading (Left Trial Reading)

Taking trial weight readings for single or left plane balancing.

Right Trial Reading

Taking trial weight readings for the right plane in dual plane balancing.

Balance

Menu to display and apply correction weights to balance the rotor.

Perform Trim Balance

Taking measurements after adding/removing weights to confirm balance improvement.

Section 10: Balancing Walk-through

Step 1. Set Balancing Parameters

Initial step in balancing: configuring relevant parameters before starting.

Step 2. Initial Reading

Performing the first measurement to assess the rotor's imbalance.

Step 3. Trial Weight Reading

Attaching trial weights and taking measurements to determine imbalance correction.

Step 4. Balancing

Applying correction weights based on calculated requirements to reduce imbalance.

Step 5. Trim Balance

Performing final adjustments to achieve desired balance levels.

Section 11: Utilities

Battery Management

Overview of the instrument's battery system and charge status.

Checking the Battery Charge and Voltage

How to view the current battery charge level and voltage.

Erasing all Recordings

Permanently deleting all recorded data from all folders.

Erasing all Machines

Procedure for permanently removing all machines, points, directions, and parameter sets.

Upgrading Firmware Using Proflash

Process for updating the instrument's firmware to the latest version.

Section 12: Troubleshooting

Data Transfer Problems

Troubleshooting common issues related to transferring data between the instrument and PC.

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